Creation of the Great Lakes | How the Earth Was Made (S1, E7) | Full Episode | History

Transcript

earth a 4.5 billion year old planet still  evolving as continents shift and clash volcanoes erupt glaciers grow  and recede the earth's crust is carved in numerous and fascinating ways  leaving a trail of geological mysteries behind in this episode the great lakes of north  america the largest expanse of fresh water   on the planet are investigated... Read More